2034
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 9
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 4446
- Proper Divisor Sum (Aliquot Sum)
- 2412
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 672
- Möbius Function
- 0
- Radical
- 678
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 156
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Series-parallel numbers.at n=7A000137
- A self-generating sequence: a(1)=1, a(2)=2, a(n+1) chosen so that a(n+1)-a(n-1) is the first number not obtainable as a(j)-a(i) for 1<=i<j<=n.at n=50A001149
- Numbers that are the sum of 11 positive 6th powers.at n=32A003367
- 'Eban' numbers (the letter 'e' is banned!).at n=25A006933
- Number of set-like molecular species of degree n.at n=16A007649
- Coordination sequence T1 for Zeolite Code ABW and ATN.at n=31A008000
- Coordination sequence T1 for Zeolite Code BOG.at n=32A008049
- Coordination sequence T6 for Zeolite Code EUO.at n=28A008101
- Coordination sequence T1 for Zeolite Code MER.at n=33A008160
- Theta series of {D_9}* lattice.at n=16A008424
- Theta series of D_9 lattice.at n=2A008431
- Theta series of {D_9}^{+} packing.at n=16A008436
- Number of ways of writing n as a sum of 9 squares.at n=4A008452
- Place where n-th 1 occurs in A023123.at n=38A022785
- Convolution of A023531 and Fibonacci numbers.at n=17A023557
- Convolution of A023531 and (F(2), F(3), F(4), ...).at n=16A023561
- a(n) = [ 3rd elementary symmetric function of {log(k)} ], k = 2,3,...,n.at n=10A025203
- Number of sums S of distinct positive integers satisfying S <= n.at n=29A026906
- Expansion of (theta_3(z^4)^3 + theta_2(z^4)^3)^3.at n=16A028696
- Least term in period of continued fraction for sqrt(n) is 10.at n=8A031434